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Add config, interfaces, endpoints, etc

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This commit is contained in:
Kyle Lemons
2012-03-26 00:06:53 -07:00
parent 804a3c6ab8
commit ba2dd5404f
8 changed files with 235 additions and 28 deletions
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47
usb/descriptor.go
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@@ -5,17 +5,16 @@ package usb
import "C"
type Descriptor struct {
desc *C.struct_libusb_device_descriptor
desc *C.struct_libusb_device_descriptor
Type DescriptorType // The type of this descriptor
Spec BCD // USB Specification Release Number
Class Class // The class of this device
SubClass uint8 // The sub-class (within the class) of this device
Protocol uint8 // The protocol (within the sub-class) of this device
Vendor ID // The 8-bit Vendor identifer
Product ID // The 8-bit Product identifier
Device BCD // The device version
Configs int // Number of configurations
Type DescriptorType // The type of this descriptor
Spec BCD // USB Specification Release Number
Class Class // The class of this device
SubClass uint8 // The sub-class (within the class) of this device
Protocol uint8 // The protocol (within the sub-class) of this device
Vendor ID // The 8-bit Vendor identifer
Product ID // The 8-bit Product identifier
Device BCD // The device version
}
func newDescriptor(dev *C.libusb_device) (*Descriptor, error) {
@@ -33,10 +32,36 @@ func newDescriptor(dev *C.libusb_device) (*Descriptor, error) {
Vendor: ID(desc.idVendor),
Product: ID(desc.idProduct),
Device: BCD(desc.bcdDevice),
Configs: int(desc.bNumConfigurations),
}, nil
}
// Configurations returns a list of configurations configured on this
// device. Each config must be Closed.
func (d *DeviceInfo) Configurations() (_c []*Config, _e error) {
var desc C.struct_libusb_device_descriptor
if errno := C.libusb_get_device_descriptor(d.dev, &desc); errno < 0 {
return nil, usbError(errno)
}
var cfgs []*Config
defer func() {
if _e != nil {
for _, c := range cfgs {
c.Close()
}
}
}()
for i := 0; i < int(desc.bNumConfigurations); i++ {
var cfg *C.struct_libusb_config_descriptor
if errno := C.libusb_get_config_descriptor(d.dev, C.uint8_t(i), &cfg); errno < 0 {
return nil, usbError(errno)
}
cfgs = append(cfgs, newConfig(cfg))
}
return cfgs, nil
}
/*
func (d Descriptor) str(idx int) (string, error) {
str := [64]byte{}